Fryd etal
conjunctive i olymuhs

ABSTRACT

CONJUNCTIVE POLYMERS HAVING (A) TWO OR MORE BASE PORTIONS EACH OF WHICH, AS AN ENTITY BEFORE OXIDATION, IS A COPOLYMER OF ONE OR MORE ETHYLENICALLY UNSATURATED MONOMERS AND ONE OR MORE UNSATURATED ALDEHYDE MONOMERS, AND (B) ONE OR MORE CONJUNCT PORTIONS EACH OF WHICH, AS AN ENTITY, IS AN ACRYLATE OR METHACRYLATE POLYMER, A VINYL ESTER POLYMER OR A VINYL HALIDE POLYMER, AND COATING COMPOSITIONS CONTAINING THESE CONJUNCTIVE POLYMERS.

DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 O.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Oflice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED OCTOBER 30, 1973 T915,009 CONJUCTIVE POLYMERS Michael Fryd, Broomall, Pa., and David K. Wald, Cherry Hill, N.J., assignors to E. I. du Pont de Nemours and Company, Wilmington, Del. Continuation of abandoned application Ser. No. 867,688, Oct. 20, 1969. This application May 19, 1972, Ser.

Int. Cl. C08f 15/40 US. Cl. 260-875 1 Sheet Drawing. 13 Pages Specification conjunctive polymers having (a) two or more base portions each of which, as an entity before oxidation, is a copolymer of one or more ethylenically unsaturated monomers and one or more unsaturated aldehyde monomers, and (b) one or more conjunct portions each of which, as an entity, is an acrylate or methacrylate polymer, a vinyl ester polymer or a vinyl halide polymer, and coating compositions containing these conjunctive polymers.

Oct. 30, 1973 M. FRYD E AL T9l5,009

CONJUNCTIVB mmMuns Filed May 19, 1972 FIG-l FIG. 2

ATTORNEY v 

